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Annotation of uae/src/include/xwin.h, revision 1.1.1.3

1.1.1.3 ! root        1:  /*
1.1       root        2:   * UAE - The Un*x Amiga Emulator
1.1.1.3 ! root        3:   *
1.1       root        4:   * Interface to the graphics system (X, SVGAlib)
1.1.1.3 ! root        5:   *
        !             6:   * Copyright 1995-1997 Bernd Schmidt
1.1       root        7:   */
                      8: 
                      9: typedef long int xcolnr;
                     10: 
1.1.1.2   root       11: typedef int (*allocfunc_type)(int, int, int, xcolnr *);
1.1       root       12: 
                     13: extern xcolnr xcolors[4096];
                     14: 
                     15: extern int buttonstate[3];
                     16: extern int newmousecounters;
                     17: extern int lastmx, lastmy;
                     18: 
1.1.1.3 ! root       19: extern int graphics_setup(void);
1.1       root       20: extern int graphics_init(void);
                     21: extern void graphics_leave(void);
                     22: extern void handle_events(void);
                     23: extern void setup_brkhandler(void);
                     24: 
                     25: extern void flush_line(int);
                     26: extern void flush_block(int, int);
                     27: extern void flush_screen(int, int);
                     28: 
                     29: extern int debuggable(void);
                     30: extern int needmousehack(void);
                     31: extern void togglemouse(void);
                     32: extern void LED(int);
                     33: 
                     34: extern unsigned long doMask(int p, int bits, int shift);
1.1.1.2   root       35: extern void setup_maxcol(int);
1.1       root       36: extern void alloc_colors256(int (*)(int, int, int, xcolnr *));
                     37: extern void alloc_colors64k(int, int, int, int, int, int);
                     38: extern void setup_greydither(int bits, allocfunc_type allocfunc);
1.1.1.2   root       39: extern void setup_greydither_maxcol(int maxcol, allocfunc_type allocfunc);
1.1       root       40: extern void setup_dither(int bits, allocfunc_type allocfunc);
1.1.1.3 ! root       41: extern void DitherLine(uae_u8 *l, uae_u16 *r4g4b4, int x, int y, uae_s16 len, int bits) ASM_SYM_FOR_FUNC("DitherLine");
1.1       root       42: 
                     43: struct vidbuf_description
                     44: {
1.1.1.2   root       45:     char *bufmem; /* Pointer to either the video memory or an area as large which is used as a buffer. */
1.1.1.3 ! root       46:     char *linemem; /* Pointer to a single line in memory to draw into. If NULL, use bufmem. */
1.1.1.2   root       47:     int rowbytes; /* Bytes per row in the memory pointed at by bufmem. */
                     48:     int pixbytes; /* Bytes per pixel. */
1.1.1.3 ! root       49:     int width;
        !            50:     int height;
1.1.1.2   root       51:     int maxblocklines; /* Set to 0 if you want calls to flush_line after each drawn line, or the number of
                     52:                        * lines that flush_block wants to/can handle (it isn't really useful to use another
                     53:                        * value than maxline here). */
1.1.1.3 ! root       54:     int can_double; /* Set if the high part of each entry in xcolors contains the same value
        !            55:                     * as the low part, so that two pixels can be drawn at once. */
1.1       root       56: };
                     57: 
                     58: extern struct vidbuf_description gfxvidinfo;
1.1.1.3 ! root       59: 
        !            60: /* For ports using tui.c, this should be built by graphics_setup(). */
        !            61: extern struct bstring *video_mode_menu;
        !            62: extern void vidmode_menu_selected(int);
        !            63: 
        !            64: /* Some definitions that are useful for multithreaded setups. */
        !            65: 
        !            66: /* If frame_do_semup is nonzero, custom.c will do a sem_post on frame_sem
        !            67:  * the next time it checks the contents of inhibit_frame.  That way, a
        !            68:  * thread set a bit in inhibit_frame and wait until custom.c has stopped
        !            69:  * drawing.
        !            70:  * gui_sem is currently unused.
        !            71:  * ihf_sem protects modifications of inhibit_frame.
        !            72:  */
        !            73: extern uae_sem_t frame_sem, gui_sem, ihf_sem;
        !            74: extern volatile int inhibit_frame;
        !            75: extern volatile int frame_do_semup;
        !            76: 
        !            77: static __inline__ void set_inhibit_frame (int bit)
        !            78: {
        !            79:     uae_sem_wait (&ihf_sem);
        !            80:     inhibit_frame |= 1 << bit;
        !            81:     uae_sem_post (&ihf_sem);
        !            82: }
        !            83: static __inline__ void clear_inhibit_frame (int bit)
        !            84: {
        !            85:     uae_sem_wait (&ihf_sem);
        !            86:     inhibit_frame &= ~(1 << bit);
        !            87:     uae_sem_post (&ihf_sem);
        !            88: }
        !            89: static __inline__ void toggle_inhibit_frame (int bit)
        !            90: {
        !            91:     uae_sem_wait (&ihf_sem);
        !            92:     inhibit_frame ^= ~(1 << bit);
        !            93:     uae_sem_post (&ihf_sem);
        !            94: }
        !            95: 

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